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Employee Information - Summary of Number of Employees by Market Area (Detail) - Employee | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of Information About Employees [line items] |  |
Number of employees | 94,236 | 99,952
North America [member] |  |
Disclosure of Information About Employees [line items] |  |
Number of employees | 9,935 | 10,744
Europe and Latin America [member] |  |
Disclosure of Information About Employees [line items] |  |
Number of employees | 43,353 | 45,380
South East Asia, Oceania and India [member] |  |
Disclosure of Information About Employees [line items] |  |
Number of employees | 26,389 | 27,016
North East Asia [member] |  |
Disclosure of Information About Employees [line items] |  |
Number of employees | 10,426 | 12,331
Middle East and Africa [member] |  |
Disclosure of Information About Employees [line items] |  |
Number of employees | 4,133 | 4,481
Of which in EU [member] |  |
Disclosure of Information About Employees [line items] |  |
Number of employees | 33,342 | 34,763
Of which in Sweden [member] |  |
Disclosure of Information About Employees [line items] |  |
Number of employees | 13,420 | 13,977

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- Definition The number of personnel employed by the entity at a date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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